A rod 50 cm long and 1.0 cm in radius carries a 2.0@C charge distributed uniformly over
Chapter 21, Problem 37(choose chapter or problem)
A rod 50 cm long and 1.0 cm in radius carries a 2.0@C charge distributed uniformly over its length. Find the approximate magnitude of the electric field (a) 4.0 mm from the rod surface, not near either end, and (b) 23 m from the rod.
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